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net: dsa: Allow switch drivers to indicate number of TX queues

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Let switch drivers indicate how many TX queues they support. Some
switches, such as Broadcom Starfighter 2 are designed with 8 egress
queues. Future changes will allow us to leverage the queue mapping and
direct the transmission towards a particular queue.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli
2017-09-03 20:27:00 -07:00
committed by David S. Miller
parent f1c2eddf4c
commit 55199df6d2
2 changed files with 9 additions and 2 deletions
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3
include/net/dsa.h
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@@ -243,6 +243,9 @@ struct dsa_switch {
/* devlink used to represent this switch device */
struct devlink *devlink;
/* Number of switch port queues */
unsigned int num_tx_queues;
/* Dynamically allocated ports, keep last */
size_t num_ports;
struct dsa_port ports[];